ZWQ Forged Steel Balls for Ball Mills

Short Description:

According to the analysis of service condition of steel balls for large and medium-sized grinding mills at home and abroad, by using grinding steel Jianlong Beiman, the expert team developed wear-resistant steel producing process for the production of large diameter forged steel balls.

Product Size: φ20-90mm

Product Characteristics: The overall hardness is high and uniform, the surface is smooth and round without loss and breaking, tough and durable

Application: ball mills in all kinds of mining and other industries

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Product Detail

Product Tags

Property Index

Volume Density：7.80-7.85g/cm³
Surface Hardness HRC：≥60
Core hardness HRC：≥58
Impact Value Ak：≥12J/㎝²
Drop Testing:(test per batch)
height 10m ≥10000times

Product Features

high and uniform hardness
greater wear resistance and fatigue endurance
smooth surface and low circle loss rate
low breakage rate

Chemical Composition

Grade	C	Si	Mn	P ≤	S ≤	Cr	Ni ≤	Cu ≤
ZWQ-2	0.72-0.86	0.15-0.37	0.70-0.80	0.035	0.035	0.20-0.65	0.25	0.25
ZWQ-3	0.58-0.66	1.30-1.90	0.40-0.80	0.035	0.035	0.70-0.90	0.25	0.25
ZWQ-4	0.70-0.90	1.20-1.40	0.50-0.80	0.035	0.035	0.70-1.00	0.25	0.25
ZWQ-3-2	0.70-0.80	1.30-1.40	0.70-0.80	0.035	0.035	0.70-0.90	0.25	0.25

Technical Specification

nch	Size (mm)	Theoretical Weight（Kg）	Actual Size Range（mm）	Texture Of Material	Surface Hardness	Core Hardness	Volume Hardness
nch	Size (mm)	Theoretical Weight（Kg）	Actual Size Range（mm）	Texture Of Material	（HRC+/-0.5HRC	（HRC+/-0.5HRC	（HRC+/-0.5HRC
1”	Φ25	0.075+/-0.01	Φ24.5~27.5	ZWQ-2	63-66	62-64	63-66
1 1/4”	Φ30	0.14+/-0.02	Φ29.7~32.7	ZWQ-2	63-66	62-64	63-66
1 1/2”	Φ40	0.31+/-0.04	Φ39.6~43.6	ZWQ-2	63-66	62-64	63-66
2”	Φ50	0.59+/-0.05	Φ50~54	ZWQ-2	62-65	61-63.5	62-65
2 1/2”	Φ60	1.0+/-0.05	Φ60.4~64.4	ZWQ-2	62-65	59-64	61-64
3”	Φ80(75)	1.9+/-0.1	Φ76~81	ZWQ-2	61-63	59-62	60-63
3 1/2”	Φ90MM	3.1+/-0.15	Φ88~93.5	ZWQ-3	60-62	58-61	59-62

Why Choose Us

Tangshan ZWell Equipment Manufacturing Co., Ltd. is Jianlong Group’s wholly-owned steel mills with designed annual capacity of 400,000mts of grinding material. Located in Tangshan, Hebei, China, using Jianlong Beiman high quality grinding steel round bars as raw material, ZWell now can supply 100,000mts of forged grinding steel ball, cylpeb and grinding bars to customers at home and abroad like CHINA GOLD.

Jianlong Beiman Steel Bars as Raw Material
Using Chengde Jianlong and Jianlong Beiman’s mining steel , which has been recognized by international customers

Advanced Production Lines
1.Advanced production lines with high production efficiency ensures the timeliness of supply
2.Whole processes intelligent temperature control monitoring ensures the stability of hardness and toughness, loss of circle rate ≤1%, breakage rate ≤1%

CNAS
1.CNAS Testing Centre and advanced testing instruments( lab certificate no.CNASL14153)
2.Drop test ≥10000times (10m)